9671742211852 has 24 divisors (see below), whose sum is σ = 19343600589824. Its totient is φ = 4145007483792.

The previous prime is 9671742211847. The next prime is 9671742211853. The reversal of 9671742211852 is 2581122471769.

It is a junction number, because it is equal to n+sod(n) for n = 9671742211793 and 9671742211802.

It is not an unprimeable number, because it can be changed into a prime (9671742211853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4166533 + ... + 6058339.

Almost surely, 2^{9671742211852} is an apocalyptic number.

It is an amenable number.

9671742211852 is an abundant number, since it is smaller than the sum of its proper divisors (9671858377972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9671742211852 is a wasteful number, since it uses less digits than its factorization.

9671742211852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074405 (or 2074403 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The spelling of 9671742211852 in words is "nine trillion, six hundred seventy-one billion, seven hundred forty-two million, two hundred eleven thousand, eight hundred fifty-two".